. "Dr. phil. Emil Otto Hellmuth Kieffer (9 April 1899 \u2013 13 March 1985) was a Korvettenkapit\u00E4n of the Reserves with the Kriegsmarine during World War II and a recipient of the Knight's Cross of the Iron Cross. (). The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership."@en . "3"^^ . "Dr. phil. Emil Kieffer"@en . . . . . . . "Dr. phil. Emil Otto Hellmuth Kieffer (9 April 1899 \u2013 13 March 1985) was a Korvettenkapit\u00E4n of the Reserves with the Kriegsmarine during World War II and a recipient of the Knight's Cross of the Iron Cross. (). The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership."@en . . "Emil Kieffer"@en . "Kaiserslautern"@en . . . . . . . "1899-04-09"^^ . "1917"^^ . . . . . . . . . . "Korvettenkapit\u00E4n of the Reserves"@en . . . .